Method of making a composite friction unit clutch plate

Claim 1

IN THE PROCESS OF MAKING A COMPOSITE CLUTCH PLATE COMPRISING A WEAR FACE BONDED TO A METAL DISC AND ADAPTED FOR USE IN A LUBRICANT BATH, THE STEPS COMPRISING; FORMING A FIBROUS MAT HAVING INTERSTITIAL VOIDS THERIN FOR SUBSEQUENT ATTACHMENT TO SAID DISC, DIIPPING SAID MAT IN A FLUID MIXTURE INCLUDING A THERMOSETTING RESIN AS A BASE FOR SHEATH COATING THE FIBERS OF SAID MAT, DRYING THE DIPPED MAT BY SPINNING THE MAT FOR CENTRIFUGALLY REMOVING EXCESS COATING MINERAL AND FOR FORMING INTERSTITIAL LUBRICANT FLOW DUCTS BETWEEN THE FIBERS, ADHERING THE METAL DISC TO THE DRIED MAT WITH A LAYER OF THERMOSETTING RESIN CEMENT, AND THEN BAKING THE ASSEMBLY OF THE DISC, CURING AND MAT UNDER MECHANICAL PRESSURE SUFFICIENT TO CAUSE A BONDING OF THE MAT TO THE DISC WHILE MAINTAINING THE INTERSTITIAL LUBRICANT FLOW DUCTS BETWEEN THE FIBERS OF THE MAT.